twinturbo 486d282922 Raise error when associations cannot be included ... include! only works when the source serializer has a root set. The as_json method sets up some state for the include! method. If a child association has associations with `:include => true` or `root foo, :include => true` would cause an undefined method error for `NilClass`. This is entirely unhelpful for the end user. This commit raise an error when this situation occurs. It makes it clear that it's not a problem with AMS but the serialization graph.		2012-07-16 14:18:58 +02:00
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serializers	Prep for 0.5.0	2012-05-16 14:17:10 -07:00
serializer.rb	Raise error when associations cannot be included	2012-07-16 14:18:58 +02:00